alienck

Originally posted by 小小康 at 2007-9-2 12:15 AM:
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報紙出錯o者....
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如果真係咁，起碼成個月先番到機場7 y$ @# A7 s) o! I; Q4 X3 ]
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[ Last edited by 小小康 on 2007-9-2 at 12:17 AM ]

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; {; s0 H- ~, W$ t7 h可能係3m/s吧............

alienck

Originally posted by alienck at 2007-9-2 12:32 AM:
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( W, T' C% {) B, \- f, }2 w6 J) N/ _可能係3m/s吧............

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+ F6 p) k1 T6 o! b+ v- j另外
* I( {+ L7 M, O9 _* F9 ]: i1 W1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft
. h  l  f0 e0 k/ @5 C8 ^1 international mile = 1 mi = 5280 ft  y7 s8 }) y  q/ }/ R
1 ft = 0.3048 m
1 `/ m& y8 S2 H) z; E/ O所以 1mi = 1.6km
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0 n! e; m9 [* vref: NIST